/* DVB USB compliant linux driver for MSI Mega Sky 580 DVB-T USB2.0 receiver * * Copyright (C) 2006 Aapo Tahkola (aet@rasterburn.org) * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by the Free * Software Foundation, version 2. * * see Documentation/dvb/README.dvb-usb for more information */ #include "m920x.h" #include "mt352.h" #include "mt352_priv.h" #include "qt1010.h" /* debug */ static int dvb_usb_m920x_debug; module_param_named(debug,dvb_usb_m920x_debug, int, 0644); MODULE_PARM_DESC(debug, "set debugging level (1=rc (or-able))." DVB_USB_DEBUG_STATUS); static struct dvb_usb_rc_key megasky_rc_keys [] = { { 0x0, 0x12, KEY_POWER }, { 0x0, 0x1e, KEY_CYCLEWINDOWS }, /* min/max */ { 0x0, 0x02, KEY_CHANNELUP }, { 0x0, 0x05, KEY_CHANNELDOWN }, { 0x0, 0x03, KEY_VOLUMEUP }, { 0x0, 0x06, KEY_VOLUMEDOWN }, { 0x0, 0x04, KEY_MUTE }, { 0x0, 0x07, KEY_OK }, /* TS */ { 0x0, 0x08, KEY_STOP }, { 0x0, 0x09, KEY_MENU }, /* swap */ { 0x0, 0x0a, KEY_REWIND }, { 0x0, 0x1b, KEY_PAUSE }, { 0x0, 0x1f, KEY_FASTFORWARD }, { 0x0, 0x0c, KEY_RECORD }, { 0x0, 0x0d, KEY_CAMERA }, /* screenshot */ { 0x0, 0x0e, KEY_COFFEE }, /* "MTS" */ }; static inline int m9206_read(struct usb_device *udev, u8 request, u16 value, u16 index, void *data, int size) { int ret; ret = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0), request, USB_TYPE_VENDOR | USB_DIR_IN, value, index, data, size, 2000); if (ret < 0) return ret; if (ret != size) return -EIO; return 0; } static inline int m9206_write(struct usb_device *udev, u8 request, u16 value, u16 index) { int ret; ret = usb_control_msg(udev, usb_sndctrlpipe(udev, 0), request, USB_TYPE_VENDOR | USB_DIR_OUT, value, index, NULL, 0, 2000); return ret; } static int m9206_rc_init(struct usb_device *udev) { int ret = 0; /* Remote controller init. */ if ((ret = m9206_write(udev, M9206_CORE, 0xa8, M9206_RC_INIT2)) != 0) return ret; if ((ret = m9206_write(udev, M9206_CORE, 0x51, M9206_RC_INIT1)) != 0) return ret; return ret; } static int m9206_rc_query(struct dvb_usb_device *d, u32 *event, int *state) { struct m9206_state *m = d->priv; int i, ret = 0; u8 rc_state[2]; if ((ret = m9206_read(d->udev, M9206_CORE, 0x0, M9206_RC_STATE, rc_state, 1)) != 0) goto unlock; if ((ret = m9206_read(d->udev, M9206_CORE, 0x0, M9206_RC_KEY, rc_state + 1, 1)) != 0) goto unlock; for (i = 0; i < ARRAY_SIZE(megasky_rc_keys); i++) if (megasky_rc_keys[i].data == rc_state[1]) { *event = megasky_rc_keys[i].event; switch(rc_state[0]) { case 0x80: *state = REMOTE_NO_KEY_PRESSED; goto unlock; case 0x93: case 0x92: m->rep_count = 0; *state = REMOTE_KEY_PRESSED; goto unlock; case 0x91: /* For comfort. */ if (++m->rep_count > 2) *state = REMOTE_KEY_REPEAT; goto unlock; default: deb_rc("Unexpected rc response %x\n", rc_state[0]); *state = REMOTE_NO_KEY_PRESSED; goto unlock; } } if (rc_state[1] != 0) deb_rc("Unknown rc key %x\n", rc_state[1]); *state = REMOTE_NO_KEY_PRESSED; unlock: return ret; } /* I2C */ static int m9206_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg msg[], int num) { struct dvb_usb_device *d = i2c_get_adapdata(adap); int i; int ret = 0; /* Need to access d->adapter[0] */ if (d->num_adapters_initialized != 1) { deb_rc("Impossible happened!\n"); return -EINVAL; } if (mutex_lock_interruptible(&d->i2c_mutex) < 0) return -EAGAIN; if (num > 2) return -EINVAL; for (i = 0; i < num; i++) { u8 w_len; if ((ret = m9206_write(d->udev, M9206_I2C, msg[i].addr, 0x80)) != 0) goto unlock; if ((ret = m9206_write(d->udev, M9206_I2C, msg[i].buf[0], 0x0)) != 0) goto unlock; if (i + 1 < num && msg[i + 1].flags & I2C_M_RD) { /* Possibly device dependant */ if (msg[i].addr == d->adapter[0].pll_addr) w_len = 0xc5; else w_len = 0x1f; if ((ret = m9206_write(d->udev, M9206_I2C, w_len, 0x80)) != 0) goto unlock; if ((ret = m9206_read(d->udev, M9206_I2C, 0x0, 0x60, msg[i + 1].buf, msg[i + 1].len)) != 0) goto unlock; i++; } else { if (msg[i].len != 2) return -EINVAL; if ((ret = m9206_write(d->udev, M9206_I2C, msg[i].buf[1], 0x40)) != 0) goto unlock; } } ret = i; unlock: mutex_unlock(&d->i2c_mutex); return ret; } static u32 m9206_i2c_func(struct i2c_adapter *adapter) { return I2C_FUNC_I2C; } static struct i2c_algorithm m9206_i2c_algo = { .master_xfer = m9206_i2c_xfer, .functionality = m9206_i2c_func, }; /* Callbacks for DVB USB */ static int megasky_identify_state(struct usb_device *udev, struct dvb_usb_device_properties *props, struct dvb_usb_device_description **desc, int *cold) { struct usb_host_interface *alt; alt = usb_altnum_to_altsetting(usb_ifnum_to_if(udev, 0), 1); *cold = (alt == NULL) ? 1 : 0; return 0; } static int megasky_mt352_demod_init(struct dvb_frontend *fe) { u8 config[] = { CONFIG, 0x3d }; u8 clock[] = { CLOCK_CTL, 0x30 }; u8 reset[] = { RESET, 0x80 }; u8 adc_ctl[] = { ADC_CTL_1, 0x40 }; u8 agc[] = { AGC_TARGET, 0x1c, 0x20 }; u8 sec_agc[] = { 0x69, 0x00, 0xff, 0xff, 0x40, 0xff, 0x00, 0x40, 0x40 }; u8 unk1[] = { 0x93, 0x1a }; u8 unk2[] = { 0xb5, 0x7a }; mt352_write(fe, config, ARRAY_SIZE(config)); mt352_write(fe, clock, ARRAY_SIZE(clock)); mt352_write(fe, reset, ARRAY_SIZE(reset)); mt352_write(fe, adc_ctl, ARRAY_SIZE(adc_ctl)); mt352_write(fe, agc, ARRAY_SIZE(agc)); mt352_write(fe, sec_agc, ARRAY_SIZE(sec_agc)); mt352_write(fe, unk1, ARRAY_SIZE(unk1)); mt352_write(fe, unk2, ARRAY_SIZE(unk2)); deb_rc("Demod init!\n"); return 0; } static struct mt352_config megasky_mt352_config = { .demod_address = 0x1e, .no_tuner = 1, .demod_init = megasky_mt352_demod_init, }; static int megasky_frontend_attach(struct dvb_usb_adapter *adap) { deb_rc("megasky_frontend_attach!\n"); if ((adap->fe = dvb_attach(mt352_attach, &megasky_mt352_config, &adap->dev->i2c_adap)) != NULL) { return 0; } return -EIO; } static int megasky_tuner_attach(struct dvb_usb_adapter *adap) { adap->pll_addr = 0xc4; adap->pll_desc = NULL; adap->fe->ops.tuner_ops.set_params = qt1010_set_params; return 0; } static int m9206_set_filter(struct dvb_usb_adapter *adap, int type, int idx, int pid) { int ret = 0; if (pid >= 0x8000) return -EINVAL; pid |= 0x8000; if ((ret = m9206_write(adap->dev->udev, M9206_FILTER, pid, (type << 8) | (idx * 4) )) != 0) return ret; if ((ret = m9206_write(adap->dev->udev, M9206_FILTER, 0, (type << 8) | (idx * 4) )) != 0) return ret; return ret; } static int m9206_update_filters(struct dvb_usb_adapter *adap) { struct m9206_state *m = adap->dev->priv; int enabled = m->filtering_enabled; int i, ret = 0, filter = 0; for (i = 0; i < M9206_MAX_FILTERS; i++) if (m->filters[i] == 8192) enabled = 0; /* Disable all filters */ if ((ret = m9206_set_filter(adap, 0x81, 1, enabled)) != 0) return ret; for (i = 0; i < M9206_MAX_FILTERS; i++) if ((ret = m9206_set_filter(adap, 0x81, i + 2, 0)) != 0) return ret; if ((ret = m9206_set_filter(adap, 0x82, 0, 0x0)) != 0) return ret; /* Set */ if (enabled) { for (i = 0; i < M9206_MAX_FILTERS; i++) { if (m->filters[i] == 0) continue; if ((ret = m9206_set_filter(adap, 0x81, filter + 2, m->filters[i])) != 0) return ret; filter++; } } if ((ret = m9206_set_filter(adap, 0x82, 0, 0x02f5)) != 0) return ret; return ret; } static int m9206_pid_filter_ctrl(struct dvb_usb_adapter *adap, int onoff) { struct m9206_state *m = adap->dev->priv; m->filtering_enabled = onoff ? 1 : 0; return m9206_update_filters(adap); } static int m9206_pid_filter(struct dvb_usb_adapter *adap, int index, u16 pid, int onoff) { struct m9206_state *m = adap->dev->priv; m->filters[index] = onoff ? pid : 0; return m9206_update_filters(adap); } static int m9206_firmware_download(struct usb_device *udev, const struct firmware *fw) { u16 value, index, size; u8 read[4], *buff; int i, pass, ret = 0; buff = kmalloc(65536, GFP_KERNEL); if ((ret = m9206_read(udev, M9206_FILTER, 0x0, 0x8000, read, 4)) != 0) goto done; deb_rc("%x %x %x %x\n", read[0], read[1], read[2], read[3]); if ((ret = m9206_read(udev, M9206_FW, 0x0, 0x0, read, 1)) != 0) goto done; deb_rc("%x\n", read[0]); for (pass = 0; pass < 2; pass++) { for (i = 0; i + (sizeof(u16) * 3) < fw->size;) { value = le16_to_cpu(*(u16 *)(fw->data + i)); i += sizeof(u16); index = le16_to_cpu(*(u16 *)(fw->data + i)); i += sizeof(u16); size = le16_to_cpu(*(u16 *)(fw->data + i)); i += sizeof(u16); if (pass == 1) { /* Will stall if using fw->data ... */ memcpy(buff, fw->data + i, size); ret = usb_control_msg(udev, usb_sndctrlpipe(udev,0), M9206_FW, USB_TYPE_VENDOR | USB_DIR_OUT, value, index, buff, size, 20); if (ret != size) { deb_rc("error while uploading fw!\n"); ret = -EIO; goto done; } msleep(3); } i += size; } if (i != fw->size) { ret = -EINVAL; goto done; } } msleep(36); /* m9206 will disconnect itself from the bus after this. */ (void) m9206_write(udev, M9206_CORE, 0x01, M9206_FW_GO); deb_rc("firmware uploaded!\n"); done: kfree(buff); return ret; } /* DVB USB Driver stuff */ static struct dvb_usb_device_properties megasky_properties; static int m920x_probe(struct usb_interface *intf, const struct usb_device_id *id) { struct dvb_usb_device *d; struct usb_host_interface *alt; int ret; if ((ret = dvb_usb_device_init(intf, &megasky_properties, THIS_MODULE, &d)) == 0) { deb_rc("probed!\n"); alt = usb_altnum_to_altsetting(intf, 1); if (alt == NULL) { deb_rc("not alt found!\n"); return -ENODEV; } ret = usb_set_interface(d->udev, alt->desc.bInterfaceNumber, alt->desc.bAlternateSetting); if (ret < 0) return ret; deb_rc("Changed to alternate setting!\n"); if ((ret = m9206_rc_init(d->udev)) != 0) return ret; } return ret; } static struct usb_device_id m920x_table [] = { { USB_DEVICE(USB_VID_MSI, USB_PID_MSI_MEGASKY580) }, { } /* Terminating entry */ }; MODULE_DEVICE_TABLE (usb, m920x_table); static struct dvb_usb_device_properties megasky_properties = { .usb_ctrl = DEVICE_SPECIFIC, .firmware = "dvb-usb-megasky-02.fw", .download_firmware = m9206_firmware_download, .rc_interval = 100, .rc_key_map = megasky_rc_keys, .rc_key_map_size = ARRAY_SIZE(megasky_rc_keys), .rc_query = m9206_rc_query, .size_of_priv = sizeof(struct m9206_state), .identify_state = megasky_identify_state, .num_adapters = 1, .adapter = {{ .caps = DVB_USB_IS_AN_I2C_ADAPTER | DVB_USB_ADAP_HAS_PID_FILTER | DVB_USB_ADAP_PID_FILTER_CAN_BE_TURNED_OFF, .pid_filter_count = 8, .pid_filter = m9206_pid_filter, .pid_filter_ctrl = m9206_pid_filter_ctrl, .frontend_attach = megasky_frontend_attach, .tuner_attach = megasky_tuner_attach, .stream = { .type = USB_BULK, .count = 8, .endpoint = 0x81, .u = { .bulk = { .buffersize = 512, } } }, }}, .i2c_algo = &m9206_i2c_algo, .generic_bulk_ctrl_endpoint = 0x01, .num_device_descs = 1, .devices = { { "MSI Mega Sky 580 DVB-T USB2.0", { &m920x_table[0], NULL }, { NULL }, }, { NULL }, } }; static struct usb_driver m920x_driver = { .name = "dvb_usb_m920x", .probe = m920x_probe, .disconnect = dvb_usb_device_exit, .id_table = m920x_table, }; /* module stuff */ static int __init m920x_module_init(void) { int ret; if ((ret = usb_register(&m920x_driver))) { err("usb_register failed. Error number %d", ret); return ret; } return 0; } static void __exit m920x_module_exit(void) { /* deregister this driver from the USB subsystem */ usb_deregister(&m920x_driver); } module_init (m920x_module_init); module_exit (m920x_module_exit); MODULE_AUTHOR("Aapo Tahkola "); MODULE_DESCRIPTION("Driver MSI Mega Sky 580 DVB-T USB2.0 / Uli m920x"); MODULE_VERSION("0.1"); MODULE_LICENSE("GPL");